Lake Marshall 33
Lake Marshall 33 is a dam located in Lyon County, Minnesota, built in 1991. It carries a Low hazard potential classification and has a fair condition assessment.
About Lake Marshall 33
The primary purpose of Lake Marshall 33 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by County Of Lyon (local government). It impounds the Meadow Creek-tr.
The dam stands 17 feet tall and stretches 480 feet across, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/04/2019.
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Location
| State | Minnesota |
| County | Lyon |
| Nearest City | None |
| River/Stream | Meadow Creek-tr |
| Coordinates | 44.37399, -95.78625 |
Physical Characteristics
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 480 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Lyon |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/04/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01751 |
| Federal ID | MN01751 |
| More Info | State Dam Safety Program |